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authorstanley.wu <stanley1.wu@lcfc.corp-partner.google.com>2021-09-01 11:03:07 +0800
committerFelix Held <felix-coreboot@felixheld.de>2021-09-05 19:26:50 +0000
commit30fba61502f6cc19c846fa4a219b65823bfd6728 (patch)
treec833250803fa95a9c10173d24916072d5b1f3a37 /src/mainboard/gizmosphere/gizmo2/cmos.layout
parent1393831856ce92dde337ffa4696890fddb05cfcc (diff)
mb/google/dedede/var/gooey: Configure I2C times for I2C devices
Configure I2C high / low time in device tree to ensure I2C CLK runs under I2C_SPEED_FAST (400 kHz). Measured I2C frequency just as below after tuning: Touchpad: 386.7kHz Touchscreen: 387.4kHz Audio: 385.7kHz P-sensor: 378.1kHz BaUG=b:197247706 BRANCH=dedede TEST=Build and check I2C clock is under 400kHz Signed-off-by: stanley.wu <stanley1.wu@lcfc.corp-partner.google.com> Change-Id: Ic5d5660181f36f161ae04cbf5003f6d7ad4bc16f Reviewed-on: https://review.coreboot.org/c/coreboot/+/57297 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Henry Sun <henrysun@google.com> Reviewed-by: Paul Menzel <paulepanter@mailbox.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
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